platelet dense tubular network

id: GO:0031094
name: platelet dense tubular network
namespace: cellular_component
type: go
obsolete: False

Description: A network of membrane-bounded compartments found in blood platelets, where they regulate platelet activation by sequestering or releasing calcium. The dense tubular network exists as thin elongated membranes in resting platelets, and undergoes a major ultrastructural change, to a rounded vesicular form, upon addition of thrombin.

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